"Spire's Thermax Eclipse II heatsink is essentially identical to the elusive 3Rsystem Iceage 120 Boss II heatsink Frostytech previously tested. If you've been holding out for the Iceage 120 Boss II you'll be pleased to know that Spire's Thermax Eclipse II heatsink is just as good a performance cooler - one of the Top 5 Best Heatsinks tested thus far. Both the Spire and 3Rsystem heatsinks are constructed around five 8mm diameter copper heatpipes, have exposed heatpipes at the base and a distinctive "X" pattern that positions heatpipes in the path of higher velocity air."

FULL STORY @ FROSTYTECH(http://www.frostytech.com/articleview.cfm?articleID=2521)